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Sectional image reconstruction and three-dimensional microscopy of small particles by angular spectrum method

Sectional image reconstruction and three-dimensional microscopy of small particles by angular spectrum method,10.1016/j.ijleo.2010.08.019,Optik,Naseem

Sectional image reconstruction and three-dimensional microscopy of small particles by angular spectrum method  
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In this letter, we demonstrate sectional image reconstruction and three-dimensional microscopy of small particles. We demonstrate sectional image reconstruction and holographic methods to obtain 2D and 3D images of small particles. A single hologram is sufficient to obtain a section containing only the focused parts of the reconstructed image. One can obtain images of different plane sections of a specimen in addition to its 3D display. The reconstruction of a digital hologram is based on the plane-wave expansion of the diffracted wave fields using Fourier optics (this method is also known as the angular spectrum method). With this method, the object-to-hologram distance can be quite small because the minimum-distance requirement does not apply. Furthermore, numerical reconstruction of transparent objects by this method may be interesting for micro-structure measurement.
Journal: Optik , vol. 122, no. 14, pp. 1293-1295, 2011
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